Justin Hibbits d11e86549e Don't use a non-zero argument for __builtin_frame_address
__builtin_frame_address with a non-zero argument is unsafe and rejected by
newer gcc.  Since it doesn't seem to impact the stacktrace, don't bother
with gymnastics to unwind to a different frame for starting.

PR:		kern/220118
MFC after:	2 weeks
2017-09-17 20:07:20 +00:00
..
2017-07-05 02:20:03 +00:00
2017-09-01 17:03:48 +00:00